* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    text-decoration: none;
}

input::-webkit-input-placeholder {
    color: whitesmoke;
    padding-left: 30px;
}

body {
    background: whitesmoke;
    width: 1920px;
    height: 1080px;
}

#box {
    float: left;
    margin-left: 80px;
    width: 1780px;
}

#leftSide {
    position: relative;
    background: black;
    width: 60px;
    height: 1080px;
    float: left;
}

#leftSide li {
    list-style: none;
    float: left;
    margin-top: 30px;
    margin-left: 10px;
}

#leftSide li a {
    color: white;
}

.fnt1 {
    font-size: 34px;
    margin-bottom: 50px;
}

#leftSide li img {
    width: 30px;
    cursor: pointer;
}

#leftSide li span {
    padding-left: 20px;
    text-align: left;
    line-height: 40px;
    display: inline-block;
    width: 80px;
    height: 40px;
    position: absolute;
    /*left: 55px;*/
    left: 0;
    background: url("../img/navPart.png") no-repeat;
    display: none;
}

.fnt2 {
    left: 55px;
    display: block;
}

.header {
    height: 100px;
}

.header_1 {
    width: 300px;
    height: 100px;
    float: left;
}
.header_1 img{
    height: 100px;
}
.header_2 {
    margin-left: 20px;
    width: 480px;
    height: 100px;
    line-height: 80px;
    float: left;
}

.header_2 li {
    margin-left: 50px;
    margin-top: 20px;
    float: left;
}

.header_2 li a {
    text-align: center;
    font-size: 24px;
    display: block;
    width: 150px;
    height: 60px;
    line-height: 60px;
    border-radius: 2em;
}

.header_3 {
    width: 400px;
    float: left;
    height: 100px;
    line-height: 60px;
}

.header_3 input {
    margin-left: 40px;
    margin-top: 30px;
    height: 40px;
    line-height: 40px;
    width: 300px;
    font-size: 20px;
    border-radius: 5px;
    border: 1px solid darkgoldenrod;
    color: #ced4da;
}

.header_4 {
    float: left;
    height: 60px;
    line-height: 60px;
    margin-top: 20px;
    font-size: 20px;
}
.header_4 span{
    font-size: 30px;
    color: red;
    padding-right: 10px;
}
.middle {
    height: 690px;
    width: 1400px;
    clear: both;
}

.middle .handle {
    height: 80px;
    line-height: 80px;
}

.handle input {
    width: 120px;
}

.middle .musicInfo {
    margin: 0 auto;
    height: 550px;
    font-size: 18px;
}

.middle .pages {
    height: 66px;
    line-height: 66px;
    text-align: center;
}

.musicInfo td {
    padding-left: 10px;
    height: 40px;
    line-height: 40px;
}
.td_a{
     list-style: none;
}
tr:nth-of-type(odd) {
    background: #CCCCCC;
}

tr:nth-of-type(even) {
    background: white;
}